@shko.online/dataverse-odata/lib/cjs/getAliasedProperty.js

This package will help parse OData strings (only the Microsoft Dataverse subset). It can be used as a validator, or you can build some javascript library which consumes the output of this library.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getAliasedProperty = void 0;
/**
 * Recursively gets the value of an aliased property. For example, if the query is `$orderby=@p1` and `@p1=name`, this function will return `name`
 * @param parser The URLSearchParams object containing the query parameters
 * @param result Will contain the error details in case there is any
 * @param property The property to expand
 * @returns The expanded property or null when there is an error
 */
const getAliasedProperty = (parser, result, property) => {
  let propertyName = parser.get(property);
  if (!propertyName) {
    result.error = {
      code: '0x80060888',
      message: 'Order By Property must be of type EdmProperty'
    };
    return null;
  }
  if (!/^[@a-zA-Z]\w+/gi.test(propertyName)) {
    const position = propertyName.length;
    result.error = {
      code: '0x80060888',
      message: `Syntax error at position ${position} in '${propertyName}'.`
    };
    return null;
  }
  if (propertyName.startsWith('@')) {
    return getAliasedProperty(parser, result, propertyName);
  }
  return propertyName;
};
exports.getAliasedProperty = getAliasedProperty;